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irakobra [83]
3 years ago
7

Tech A says that a gear set that has a drive gear with 9 teeth and a driven gear with 27 teeth has a gear ratio of 3:1. Tech B s

ays that the drive gear is also called the output gear. Who is correct?
Engineering
1 answer:
choli [55]3 years ago
5 0

Answer:

Tech A is correct.

Explanation:

Gears are toothed wheels that can be used to transmit power. When two or more gears are in tandem, a gear train is formed.

Gear ratio = \frac{number of teeth of the driven gear}{Number of teeth of the driving gear}

                = \frac{27}{9}

                = \frac{3}{1}

Gear ratio = 3:1

The driver gear is called the input gear since it transfers its power to the driven gear. While the driven gear is called the output gear because it produces an effect due to both gears.

Tech A is correct.

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A steel plate has a hole drilled through it. The plate is put into a furnace and heated. What happens to the size of the inside
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